ntdll: Omit unused typedef in test_query_process.

dlls/ntdll/tests/info.c

@@ -278,7 +278,7 @@ static void test_query_process(void)
         VM_COUNTERS vmCounters;
         IO_COUNTERS ioCounters;
         SYSTEM_THREAD_INFORMATION ti[1];
-    } SYSTEM_PROCESS_INFORMATION_PRIVATE, *PSYSTEM_PROCESS_INFORMATION_PRIVATE;
+    } SYSTEM_PROCESS_INFORMATION_PRIVATE;
 
     ULONG SystemInformationLength = sizeof(SYSTEM_PROCESS_INFORMATION_PRIVATE);
     SYSTEM_PROCESS_INFORMATION_PRIVATE *spi, *spi_buf = HeapAlloc(GetProcessHeap(), 0, SystemInformationLength);